Doctor profile · Federal record
Dr. Stephanie Chen, MD
Cornea and External Diseases Specialist Physician · Ophthalmology Physician · Los Altos, CA
- NPI 1629572136
- MIPS 78.7 / 100 · 2023
- 8 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
762 Altos Oaks Dr
Los Altos, CA 940245434
(650) 948-9123
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- July 21, 2023
- Specialty taxonomy
- 207WX0120X — NUCC code
- State license (1)
- California #A165180
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629572136. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93
Distinct HCPCS
4
Medicare allowed
$6,493
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 39 | $71 | |
92285 |
Photography of content of eyes | 15 | 15 | $4 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $81 | |
99284 |
Emergency department visit with moderate level of medical decision making | 12 | 12 | $134 |
In context: peer comparison
Among 1 peers in Los Altos Cornea and External Diseases Specialist Physician, average services per provider: 23. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$361
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| RxSight INC | 1 | $163.19 | |
| Oyster Point Pharma, INC. | 2 | $154.75 | |
| Abbott Laboratories | 3 | $43.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
518
Patients
214
Total drug cost
$61,392
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 120 | 74 | $5,038 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 84 | 42 | $2,737 |
| Ketorolac Tromethamine | Generic | 48 | 30 | $994 |
| Erythromycin (Erythromycin Base) | Brand | 41 | 19 | $387 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 38 | 15 | $3,085 |
| Restasis (Cyclosporine) | Brand | 37 | 12 | $44,080 |
| Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) | Brand | 30 | 22 | $320 |
| Timolol Maleate | Generic | 17 | 0 | $1,379 |
| Atropine Sulfate | Generic | 16 | 0 | $605 |
| Doxycycline Hyclate | Generic | 16 | 0 | $915 |
Frequently asked questions
What is Dr. Stephanie Chen's medical specialty?
Dr. Stephanie Chen practices Cornea and External Diseases Specialist Physician in Los Altos, CA.
Where does Dr. Stephanie Chen practice?
Dr. Stephanie Chen practices at 762 Altos Oaks Dr, Los Altos, CA 940245434. Office phone: 6509489123.
What is Dr. Stephanie Chen's NPI?
Dr. Stephanie Chen's National Provider Identifier (NPI) is 1629572136, issued by NPPES.
What procedures does Dr. Stephanie Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Photography of content of eyes (HCPCS 92285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.